| // Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef FORTRAN_SEMANTICS_EXPRESSION_H_ |
| #define FORTRAN_SEMANTICS_EXPRESSION_H_ |
| |
| #include "default-kinds.h" |
| #include "../evaluate/expression.h" |
| #include "../evaluate/intrinsics.h" |
| #include "../evaluate/type.h" |
| #include "../parser/parse-tree.h" |
| #include <optional> |
| |
| namespace Fortran::semantics { |
| |
| class SemanticsContext; |
| |
| using MaybeExpr = std::optional<evaluate::Expr<evaluate::SomeType>>; |
| |
| // Semantic analysis of one expression. |
| std::optional<evaluate::Expr<evaluate::SomeType>> AnalyzeExpr( |
| SemanticsContext &, const parser::Expr &); |
| |
| // Semantic analysis of all expressions in a parse tree, which is |
| // decorated with typed representations for top-level expressions. |
| void AnalyzeExpressions(parser::Program &, SemanticsContext &); |
| } |
| #endif // FORTRAN_SEMANTICS_EXPRESSION_H_ |